Marin Mersenne 2^P-1
Username
Password
Forgot password?
Blue
Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
42178813TF
No factors below 273
TF target 272
P-1
B1 = 510000
B2 = 14790000
LL
StatusDateUserResidueShift
Verified2008-03-22Ali Kutubuddin1276991D301B89A138487408
Verified2017-10-03Sergey Nosov1276991D301B89A113180622
History
DateUserTypeResult
2022-05-03RichD0NF
no factor from 2^72 to 2^73
2017-10-03Sergey NosovC-LL
1276991D301B89A1
2015-07-26tigreroarsNF
no factor from 2^71 to 2^72
2015-03-13Mark RoseNF
no factor from 2^70 to 2^71
2015-02-03HBendtzNF
no factor from 2^69 to 2^70
2013-12-31LaurVNF
no factor from 2^68 to 2^69